package cn.xscrum.framework.web.controller.system;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import cn.xscrum.common.config.Global;
import cn.xscrum.common.core.controller.BaseController;
import cn.xscrum.common.core.domain.AjaxResult;
import cn.xscrum.common.utils.ServletUtils;
import cn.xscrum.common.utils.StringUtils;
import cn.xscrum.system.domain.SysDictData;
import cn.xscrum.system.service.ISysDictDataService;

/**
 * 登录验证
 * 
 * @author xscrum
 */
@Controller
public class SysLoginController extends BaseController
{
	
	@Autowired
    private ISysDictDataService dictDataService;
	
    @GetMapping("/login")
    public String login(HttpServletRequest request, HttpServletResponse response)
    {
        // 如果是Ajax请求，返回Json字符串。
        if (ServletUtils.isAjaxRequest(request))
        {
            return ServletUtils.renderString(response, "{\"code\":\"1\",\"msg\":\"未登录或登录超时。请重新登录\"}");
        }
        request.setAttribute("projectName",Global.getProjectName() );
        request.setAttribute("browser",getCompatibility());
        request.setAttribute("browserName",getCompatibilityName());
        request.setAttribute("browserUrl",getCompatibilityUrl());
        return "login";
    }

    @PostMapping("/login")
    @ResponseBody
    public AjaxResult ajaxLogin(String username, String password, Boolean rememberMe)
    {
        UsernamePasswordToken token = new UsernamePasswordToken(username, password, rememberMe);
        Subject subject = SecurityUtils.getSubject();
        try
        {
            subject.login(token);
            return success();
        }
        catch (AuthenticationException e)
        {
            String msg = "用户或密码错误";
            if (StringUtils.isNotEmpty(e.getMessage()))
            {
                msg = e.getMessage();
            }
            return error(msg);
        }
    }

    @GetMapping("/unauth")
    public String unauth()
    {
        return "error/unauth";
    }
    
    private List<String> getCompatibility() {
    	SysDictData dictData = new SysDictData();
        dictData.setDictType("sep_compatible_browser");
        List<SysDictData> compatible = dictDataService.selectDictDataList(dictData);
        List<String> browserNames = new ArrayList<String>();
        for (SysDictData sysDictData : compatible) {
        	browserNames.add(sysDictData.getDictValue());
		}
        return browserNames;
    }
    private List<String> getCompatibilityName() {
    	SysDictData dictData = new SysDictData();
    	dictData.setDictType("sep_compatible_browser");
    	List<SysDictData> compatible = dictDataService.selectDictDataList(dictData);
    	List<String> browserNames = new ArrayList<String>();
    	for (SysDictData sysDictData : compatible) {
    		browserNames.add(sysDictData.getDictLabel());
    	}
    	return browserNames;
    }
    private List<String> getCompatibilityUrl() {
    	SysDictData dictData = new SysDictData();
    	dictData.setDictType("sep_compatible_browser");
    	List<SysDictData> compatible = dictDataService.selectDictDataList(dictData);
    	List<String> browserNames = new ArrayList<String>();
    	for (SysDictData sysDictData : compatible) {
    		browserNames.add(sysDictData.getRemark());
    	}
    	return browserNames;
    }
}
